package com.ruoyi.web.controller.common;

import cn.hutool.core.util.StrUtil;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.file.FileUploadUtils;
import com.ruoyi.common.utils.file.FileUtils;
import com.ruoyi.framework.config.ServerConfig;
import com.ruoyi.system.service.IRecordArchivesService;
import com.ruoyi.system.service.ISysConfigService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 通用请求处理
 *
 * @author ruoyi
 */
@RestController
public class CommonController {
    private static final Logger log = LoggerFactory.getLogger(CommonController.class);

    @Autowired
    private ServerConfig serverConfig;

    @Autowired
    private IRecordArchivesService iRecordArchivesService;
    @Autowired
    private ISysConfigService iSysConfigService;

    /**
     * 通用下载请求
     *
     * @param fileName 文件名称
     * @param delete   是否删除
     */
    @GetMapping("common/download")
    public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request) {
        try {
            if (!FileUtils.checkAllowDownload(fileName)) {
                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
            }
            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
            String filePath = RuoYiConfig.getDownloadPath() + fileName;

            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, realFileName);
            FileUtils.writeBytes(filePath, response.getOutputStream());
            if (delete) {
                FileUtils.deleteFile(filePath);
            }
        } catch (Exception e) {
            log.error("下载文件失败", e);
        }
    }

    /**
     * 通用上传请求
     */
    @PostMapping("/common/upload")
    public AjaxResult uploadFile(MultipartFile file, String data) throws Exception {
        AjaxResult ajax = AjaxResult.success();
        try {
            String folderName = "FilesBak";
       /*     if (!StrUtil.isEmpty(data)) {
                // 用档案号作为文件存储路径
                folderName = data;
            }*/
            // 上传文件路径
            String filePath = RuoYiConfig.getUploadPath();
            //文件类型
            String type = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."));
            //只有pdf添加水印
            if (".pdf".equals(type)) {
//                String configValue = iSysConfigService.selectConfigByKey("pdf_shuiyin_isopen");
//                /*开启加水印开关*/
//                if (StrUtil.isNotEmpty(configValue) && configValue.equals("0")) {
//                    String cont = iSysConfigService.selectConfigByKey("pdf_shuiyin_cont");
//                    // System.out.println(type);
//                    // 上传并返回新文件名称
//                    String fileName = FileUploadUtils.pdfupload(folderName, filePath, file, cont);
//                    String url = serverConfig.getUrl() + fileName;
//                    ajax.put("fileName", fileName);
//                    ajax.put("url", url);
//                } else {
                    // 上传并返回新文件名称
                    String fileName = FileUploadUtils.upload(folderName, filePath, file);
                    String url = serverConfig.getUrl() + fileName;
                    ajax.put("fileName", fileName);
                    ajax.put("url", url);
//                }
                return ajax;
            } else {
                // System.out.println(type);
                // 上传并返回新文件名称
                String fileName = FileUploadUtils.upload(folderName, filePath, file);
                String url = serverConfig.getUrl() + fileName;
                ajax.put("fileName", fileName);
                ajax.put("url", url);
                return ajax;
            }
        } catch (Exception e) {
            return AjaxResult.error(e.getMessage() + "文件名:" + file.getOriginalFilename());
        }
    }

    /**
     * 本地资源通用下载
     */
    @GetMapping("/common/download/resource")
    public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        try {
            if (!FileUtils.checkAllowDownload(resource)) {
                throw new Exception(StringUtils.format("资源文件({})非法，不允许下载。 ", resource));
            }
            // 本地资源路径
            String localPath = RuoYiConfig.getProfile();
            // 数据库资源地址
            String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
            // 下载名称
            String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
            response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
            FileUtils.setAttachmentResponseHeader(response, downloadName);
            FileUtils.writeBytes(downloadPath, response.getOutputStream());
        } catch (Exception e) {
            log.error("下载文件失败", e);
        }
    }
}
